Home / 1,928.26-2,895.90-1,199.26

Finding the Fourth Proportional to 1,928.26, 2,895.90 and 1,199.26

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Solution

The fourth proportional to 1,928.26, 2,895.90 and 1,199.26 is: 1,801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.26 : 2,895.90 = 1,199.26 : x
  2. Step 2: Convert to fraction form
    1,928.26/2,895.90 = 1,199.26/x
  3. Step 3: Cross multiply
    1,928.26x = 2,895.90 × 1,199.26
  4. Step 4: Simplify right side
    1,928.26x = 3,472,937.03
  5. Step 5: Solve for x
    x = 3,472,937.03/1,928.26
  6. Step 6: Final answer
    x = 1,801.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.